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FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES (Details 3) (USD $) In Thousands, unless otherwise specified | 6 Months Ended |  | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2012 Available for sale states and political subdivisions debt securities | Jun. 30, 2011 Available for sale states and political subdivisions debt securities | Jun. 30, 2012 Mortgage revenue bonds item | Jun. 30, 2012 Mortgage revenue bonds Weighted average | Jun. 30, 2011 Available for sale non-agency collateralized mortgage obligations | Dec. 31, 2010 Available for sale non-agency collateralized mortgage obligations
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |  |  |  |  |
Balance at the beginning of the period | $ 12,994 | $ 12,619 |  |  | $ 17 | $ 17
Principal payments received | (189) | (176) |  |  |  |
Unrealized net gain included in other comprehensive income | 74 |  |  |  |  |
Balance at the end of the period | 12,879 | 12,443 |  |  | 17 | 17
Additional disclosures |  |  |  |  |  |
Number of investment securities held |  |  | 4 |  |  |
Aggregate fair value | $ 12,879 | $ 12,443 |  |  | $ 17 | $ 17
Discount rate (as a percent) |  |  |  | 2.71% |  |

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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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